Home / 12,547,010.59-18,821,415.46-5,253,130.49

Finding the Fourth Proportional to 12,547,010.59, 18,821,415.46 and 5,253,130.49

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Solution

The fourth proportional to 12,547,010.59, 18,821,415.46 and 5,253,130.49 is: 7,880,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,010.59 : 18,821,415.46 = 5,253,130.49 : x
  2. Step 2: Convert to fraction form
    12,547,010.59/18,821,415.46 = 5,253,130.49/x
  3. Step 3: Cross multiply
    12,547,010.59x = 18,821,415.46 × 5,253,130.49
  4. Step 4: Simplify right side
    12,547,010.59x = 98,871,351,377,126.53
  5. Step 5: Solve for x
    x = 98,871,351,377,126.53/12,547,010.59
  6. Step 6: Final answer
    x = 7,880,072.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.